81484928

素因数分解:

$2^7\times 7^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 186864000

約数和(自身を除く): 105379072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 199, 224, 398, 448, 457, 796, 896, 914, 1393, 1592, 1828, 2786, 3184, 3199, 3656, 5572, 6368, 6398, 7312, 11144, 12736, 12796, 14624, 22288, 25472, 25592, 29248, 44576, 51184, 58496, 89152, 90943, 102368, 178304, 181886, 204736, 363772, 409472, 636601, 727544, 1273202, 1455088, 2546404, 2910176, 5092808, 5820352, 10185616, 11640704, 20371232, 40742464, 81484928]

約数ペア:

[(1, 81484928), (2, 40742464), (4, 20371232), (7, 11640704), (8, 10185616), (14, 5820352), (16, 5092808), (28, 2910176), (32, 2546404), (56, 1455088), (64, 1273202), (112, 727544), (128, 636601), (199, 409472), (224, 363772), (398, 204736), (448, 181886), (457, 178304), (796, 102368), (896, 90943), (914, 89152), (1393, 58496), (1592, 51184), (1828, 44576), (2786, 29248), (3184, 25592), (3199, 25472), (3656, 22288), (5572, 14624), (6368, 12796), (6398, 12736), (7312, 11144)]